#include "AliConst.h"
#include "AliRun.h"
+#include "AliMathBase.h"
#include "AliTPCDigitsArray.h"
#include "AliTPCParam.h"
#include "AliTPCParamSR.h"
ClassImp(AliTPCv3)
//_____________________________________________________________________________
- AliTPCv3::AliTPCv3(){
+ AliTPCv3::AliTPCv3():AliTPC(),fIdSens(0)
+{
fHitType = 1;
//_____________________________________________________________________________
AliTPCv3::AliTPCv3(const char *name, const char *title) :
- AliTPC(name, title)
+ AliTPC(name, title), fIdSens(0)
{
//
// Standard constructor for Time Projection Chamber version 3
//
SetBufferSize(128000);
- fIdSens=0;
-
if (fTPCParam)
fTPCParam->Write(fTPCParam->GetTitle());
// here I define a volume TPC
// retrive the medium name with "TPC_" as a leading string
//
- TGeoPcon *tpc = new TGeoPcon(0.,360.,18); //18 sections
- tpc->DefineSection(0,-290.,77.,278.);
- tpc->DefineSection(1,-259.6,77.,278.);
+ TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
+ //
+ tpc->DefineSection(0,-289.6,77.,278.);
+ tpc->DefineSection(1,-262.1,77.,278.);
+ //
+ tpc->DefineSection(2,-262.1,83.1,278.);
+ tpc->DefineSection(3,-260.,83.1,278.);
+ //
+ tpc->DefineSection(4,-260.,70.,278.);
+ tpc->DefineSection(5,-259.6,70.,278.);
//
- tpc->DefineSection(2,-259.6,68.1,278.);
- tpc->DefineSection(3,-253.6,68.1,278.);
+ tpc->DefineSection(6,-259.6,68.1,278.);
+ tpc->DefineSection(7,-253.6,68.1,278.);
//
- tpc->DefineSection(4,-253.6,68.,278.);
- tpc->DefineSection(5,-74.0,60.8,278.);
+ tpc->DefineSection(8,-253.6,68.,278.);
+ tpc->DefineSection(9,-74.0,60.8,278.);
//
- tpc->DefineSection(6,-74.0,60.1,278.);
- tpc->DefineSection(7,-73.3,60.1,278.);
+ tpc->DefineSection(10,-74.0,60.1,278.);
+ tpc->DefineSection(11,-73.3,60.1,278.);
//
- tpc->DefineSection(8,-73.3,56.9,278.);
- tpc->DefineSection(9,73.3,56.9,278.);
+ tpc->DefineSection(12,-73.3,56.9,278.);
+ tpc->DefineSection(13,-68.5,56.9,278.);
//
- tpc->DefineSection(10,73.3,60.1,278.);
- tpc->DefineSection(11,74.0,60.1,278.);
+ tpc->DefineSection(14,-68.5,60.,278.);
+ tpc->DefineSection(15,-64.7,60.,278.);
//
- tpc->DefineSection(12,74.0,60.8,278.);
- tpc->DefineSection(13,253.6,65.5,278.);
+ tpc->DefineSection(16,-64.7,56.9,278.);
+ tpc->DefineSection(17,73.3,56.9,278.);
//
- tpc->DefineSection(14,253.6,65.6,278.);
- tpc->DefineSection(15,259.6,65.6,278.);
+ tpc->DefineSection(18,73.3,60.1,278.);
+ tpc->DefineSection(19,74.0,60.1,278.);
//
- tpc->DefineSection(16,259.6,77.0,278.);
- tpc->DefineSection(17,290.,77.,278.);
+ tpc->DefineSection(20,74.0,60.8,278.);
+ tpc->DefineSection(21,253.6,65.5,278.);
+ tpc->DefineSection(22,253.6,65.6,278.);
+ tpc->DefineSection(23,259.6,65.6,278.);
+ //
+ tpc->DefineSection(24,259.6,70.0,278.);
+ tpc->DefineSection(25,260.,70.0,278.);
+ //
+ tpc->DefineSection(26,260.,83.1,278.);
+ tpc->DefineSection(27,262.1,83.1,278.);
+ //
+ tpc->DefineSection(28,262.1,77.,278);
+ tpc->DefineSection(29,289.6,77.,278.);
+
//
TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
dvol->DefineSection(4,253.6,74.5,264.4);
dvol->DefineSection(5,260.,74.5,264.4);
//
- TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+ TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
//
v1->AddNode(v9,1);
//
tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
//
- v3->AddNode(tov1,1); v4->AddNode(tf1v,1);
+ v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
//
v2->AddNode(v3,1); v2->AddNode(v4,1);
//
TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
- v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.));
- v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.));
+ v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
+ v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
//
// seal collars
TGeoPcon *se = new TGeoPcon(0.,360.,6);
//
// define reflection matrix
//
- TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,270.,180.,0.);
+ TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
//
cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
//
- v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-72.1));
- v1->AddNode(siv,2,new TGeoTranslation(0.,0.,72.1));
+ v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
+ v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
//
// central membrane - 2 rings and a mylar membrane - assembly
// end caps - they are make as an assembly of single segments
// containing both readout chambers
//
- Double_t OpeningAngle = 10.*TMath::DegToRad();
+ Double_t openingAngle = 10.*TMath::DegToRad();
Double_t thick=1.5; // rib
- Double_t shift = thick/TMath::Sin(OpeningAngle);
+ Double_t shift = thick/TMath::Sin(openingAngle);
//
- Double_t LowEdge = 86.3; // hole in the wheel
- Double_t UpEdge = 240.4; // hole in the wheel
+ Double_t lowEdge = 86.3; // hole in the wheel
+ Double_t upEdge = 240.4; // hole in the wheel
//
new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
//
TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
//
- hole->DefineSection(0,-3.5,LowEdge-shift,UpEdge-shift);
- hole->DefineSection(1,-1.5,LowEdge-shift,UpEdge-shift);
+ hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
+ hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
//
- hole->DefineSection(2,-1.5,LowEdge-shift,UpEdge+3.-shift);
- hole->DefineSection(3,3.5,LowEdge-shift,UpEdge+3.-shift);
+ hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
+ hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
//
- Double_t ys = shift*TMath::Sin(OpeningAngle);
- Double_t xs = shift*TMath::Cos(OpeningAngle);
+ Double_t ys = shift*TMath::Sin(openingAngle);
+ Double_t xs = shift*TMath::Cos(openingAngle);
TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
tr->RegisterYourself();
TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
ifstream in;
in.open(fileName.Data(), ios_base::in); // asci file
for(Int_t i =0;i<86;i++){
- Double_t y = 3.9;
+ Double_t y = 3.99;
Double_t x,z,ang;
in>>x>>z>>ang;
+ z-=26.5;
TGeoRotation *rrr = new TGeoRotation();
rrr->RotateY(ang);
TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
//
// now iroc and oroc are placed into a sector...
//
- TGeoVolumeAssembly *sect = new TGeoVolumeAssembly("TPC_SECT");
+ TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
+ TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
TGeoRotation rot1("rot1",90.,90.,0.);
TGeoRotation rot2("rot2");
rot2.RotateY(10.);
*rot=rot1*rot2;
//
Double_t x0,y0;
- x0=110.2*TMath::Cos(OpeningAngle);
- y0=110.2*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi1 = new TGeoCombiTrans("combi1",x0,y0,1.09,rot);
- x0=188.45*TMath::Cos(OpeningAngle);
- y0=188.45*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi2 = new TGeoCombiTrans("combi2",x0,y0,0.99,rot);
+ x0=110.2*TMath::Cos(openingAngle);
+ y0=110.2*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
+ x0=188.45*TMath::Cos(openingAngle);
+ y0=188.45*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
//
- sect->AddNode(ch,1);
- sect->AddNode(iroc,1,combi1);
- sect->AddNode(oroc,1,combi2);
+ // A-side
//
- // segment is ready...
- // now I try to make a wheel...
+ secta->AddNode(ch,1);
+ secta->AddNode(iroc,1,combi1a);
+ secta->AddNode(oroc,1,combi2a);
//
- TGeoVolumeAssembly *wheel = new TGeoVolumeAssembly("TPC_ENDCAP");
+ // C-side
+ //
+ sectc->AddNode(ch,1);
+ sectc->AddNode(iroc,1,combi1c);
+ sectc->AddNode(oroc,1,combi2c);
+ //
+ // now I try to make wheels...
+ //
+ TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
+ TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
//
for(Int_t i =0;i<18;i++){
Double_t phi = (20.*i);
TGeoRotation *r = new TGeoRotation();
r->RotateZ(phi);
- wheel->AddNode(sect,i+1,r);
+ wheela->AddNode(secta,i+1,r);
+ wheelc->AddNode(sectc,i+1,r);
}
// wheels in the drift volume!
- v9->AddNode(wheel,1,new TGeoTranslation(0.,0.,-256.6));
TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
- v9->AddNode(wheel,2,combi3);
+ v9->AddNode(wheela,1,combi3);
+ v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
//_____________________________________________________________
// service support wheel
TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
//
thick=1.;
- shift = thick/TMath::Sin(OpeningAngle);
+ shift = thick/TMath::Sin(openingAngle);
TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
sh->DefineSection(1,4.,81.5-shift,250.75-shift);
TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
+ TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+ el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+ el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+ TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
+ //
+ shv->AddNode(elv,1);
+ //
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
// cover
TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
// hole in a cover
TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
- shift=4./TMath::Sin(OpeningAngle);
+ shift=4./TMath::Sin(openingAngle);
coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
coh->DefineSection(1,0.5,85.-shift,247.25-shift);
//
TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
//
// Sector as an Assembly
//----------------------------------------------------------
TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
+ TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
+ TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
+ TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
// upper and lower rods differ in length!
Double_t *upar;
upar=NULL;
//
//HV rods - makrolon + 0.58cm (diameter) Cu
- TGeoTube *hvr = new TGeoTube(0.,4.4,126.64);
+ TGeoTube *hvr = new TGeoTube(0.,2.2,126.64);
TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
//
TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
hvrv->AddNode(hvcv,1);
- for(Int_t i=0;i<17;i++){
+ //
+ // resistor rods
+ //
+ TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner
+ TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer
+ TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner
+ TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer
+ //
+ TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10);
+ TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10);
+ TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11);
+ TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11);
+ //
+ // ceramic rod with water
+ //
+ criv->AddNode(cwiv,1);
+ crov->AddNode(cwov,1);
+ //
+ TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner
+ TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer
+ //
+ // peek rod
+ //
+ TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12);
+ TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12);
+ //
+ // resistor rods assembly
+ //
+ TGeoRotation *rotr = new TGeoRotation("rotr");
+ rotr->RotateZ(-21.);
+ //
+ TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
+ TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
+ //
+ TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
+ TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);
+ //
+ TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
+ TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
+ rrin->AddNode(rriv,1);
+ rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
+ rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.));
+ rrin->AddNode(priv,1);
+ //
+ rrou->AddNode(rrov,1);
+ rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
+ rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.));
+ rrou->AddNode(prov,1);
+ for(Int_t i=0;i<18;i++){
Double_t angle,x,y;
Double_t z,r;
angle=TMath::DegToRad()*20.*(Double_t)i;
y=r * TMath::Sin(angle);
upar[2]=126.64; //lower
z= 126.96;
- if(i==15){
- v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));
- v9->AddNode(hvrv,2,new TGeoTranslation(x,y,-z));
- }
- else{
- gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
- gGeoManager->Node("TPC_Rod",i+18,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
+ //
+ if(i==3){
+ v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A
+ v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
+ }
+ else {
+ gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
+ gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
}
+
+
+ //
r=254.25;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
upar[2]=126.54; //upper
z=127.06;
- gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
- gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ if(i==15){
+ //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
+ v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only
+ gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ }
+ else if(i==11){
+ v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A
+ v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
+ }
+ else{
+ //
+ gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
+ gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ }
}
-
-
- gMC->Gspos("TPC_M ",1,"ALIC",0.,0.,0.,0,"ONLY");
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
+
} // end of function
-//_____________________________________________________________________________
-void AliTPCv3::DrawDetector()
-{
- //
- // Draw a shaded view of the Time Projection Chamber version 3
- //
-
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- //
-
- gMC->Gsatt("TPC ","SEEN",0);
- gMC->Gsatt("TOIN","SEEN",1);
- gMC->Gsatt("TOIN","COLO",7);
- gMC->Gsatt("TOCV","SEEN",1);
- gMC->Gsatt("TOCV","COLO",4);
- gMC->Gsatt("TSA1","SEEN",0);
- gMC->Gsatt("TSA2","SEEN",0);
- gMC->Gsatt("TSA3","SEEN",0);
- gMC->Gsatt("TSA4","SEEN",0);
- gMC->Gsatt("TSA5","SEEN",0);
- gMC->Gsatt("TOFC","SEEN",1);
- gMC->Gsatt("TOFC","COLO",4);
- gMC->Gsatt("TSA6","SEEN",0);
- gMC->Gsatt("TSA7","SEEN",0);
- gMC->Gsatt("TSA8","SEEN",0);
- gMC->Gsatt("TIIN","SEEN",1);
- gMC->Gsatt("TIIN","COLO",7);
- gMC->Gsatt("TII1","SEEN",0);
- gMC->Gsatt("TIFC","SEEN",1);
- gMC->Gsatt("TIFC","COLO",4);
- gMC->Gsatt("TSA9","SEEN",0);
- gMC->Gsatt("TS10","SEEN",0);
- gMC->Gsatt("TS11","SEEN",0);
- gMC->Gsatt("TS12","SEEN",0);
- gMC->Gsatt("TS13","SEEN",0);
- gMC->Gsatt("TS14","SEEN",0);
- gMC->Gsatt("TICC","SEEN",0);
- gMC->Gsatt("TICM","SEEN",0);
- gMC->Gsatt("TS15","SEEN",0);
- gMC->Gsatt("TS16","SEEN",0);
- gMC->Gsatt("TS17","SEEN",0);
- gMC->Gsatt("TS18","SEEN",0);
- gMC->Gsatt("TS19","SEEN",0);
- gMC->Gsatt("TPJ1","SEEN",0);
- gMC->Gsatt("TPJ2","SEEN",0);
- gMC->Gsatt("TICS","SEEN",0);
- gMC->Gsatt("TDGS","SEEN",0);
- gMC->Gsatt("TIRC","SEEN",0);
- gMC->Gsatt("TIC1","SEEN",1);
- gMC->Gsatt("TIPP","SEEN",0);
- gMC->Gsatt("TIC3","SEEN",0);
- gMC->Gsatt("TRCE","SEEN",0);
- gMC->Gsatt("TPSC","SEEN",0);
- gMC->Gsatt("TPCC","SEEN",0);
- gMC->Gsatt("TORC","SEEN",0);
- gMC->Gsatt("TOPP","SEEN",0);
- gMC->Gsatt("TOC3","SEEN",0);
- gMC->Gsatt("TOC1","SEEN",1);
- gMC->Gsatt("TSSW","SEEN",1);
- gMC->Gsatt("TSWC","SEEN",1);
- gMC->Gsatt("TSSW","COLO",3);
- gMC->Gsatt("TSWC","COLO",3);
- gMC->Gsatt("TSCE","COLO",6);
- gMC->Gsatt("TSCE","SEEN",1);
- gMC->Gsatt("TWES","SEEN",0);
- gMC->Gsatt("TSWB","SEEN",0);
- gMC->Gsatt("TPEL","SEEN",0);
- gMC->Gsatt("TPMW","SEEN",1);
- gMC->Gsatt("TESR","SEEN",1);
- gMC->Gsatt("TPMW","COLO",12);
- gMC->Gsatt("TIC1","COLO",5);
- gMC->Gsatt("TOC1","COLO",5);
- gMC->Gsatt("TESB","SEEN",0);
- gMC->Gsatt("THVM","SEEN",1);
- gMC->Gsatt("THVM","COLO",11);
- gMC->Gsatt("THVH","SEEN",0);
- gMC->Gsatt("TPSR","SEEN",0);
- gMC->Gsatt("THVL","SEEN",0);
- gMC->Gsatt("THVC","SEEN",0);
- gMC->Gsatt("THVE","SEEN",0);
- gMC->Gsatt("THVR","SEEN",0);
-
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
- gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
- gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
- gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
- gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
- gMC->Gdhead(1111, "Time Projection Chamber");
- gMC->Gdman(18, 4, "MAN");
- gMC->Gdopt("hide","off");
-}
//_____________________________________________________________________________
void AliTPCv3::CreateMaterials()
//
// Initialises version 3 of the TPC after that it has been built
//
- Int_t *idtmed = fIdtmed->GetArray();
+ //Int_t *idtmed = fIdtmed->GetArray();
AliTPC::Init();
fIdSens=gMC->VolId("TPC_Drift"); // drift gas as a sensitive volume
- gMC->SetMaxNStep(30000); // max. number of steps increased
+ gMC->SetMaxNStep(-30000); // max. number of steps increased
- gMC->Gstpar(idtmed[2],"LOSS",5);
+ // specific energy loss is now set in galice.cuts
printf("%s: *** TPC version 3 initialized***\n",ClassName());
else
{
betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3);
- pp=kprim*BetheBloch(betaGamma);
+ pp=kprim*AliMathBase::BetheBlochAleph(betaGamma);
if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
gMC->SetMaxStep(-TMath::Log(rnd)/pp);
}
-
-//_____________________________________________________________________________
-Float_t AliTPCv3::BetheBloch(Float_t bg)
-{
- //
- // Bethe-Bloch energy loss formula
- //
- const Double_t kp1=0.76176e-1;
- const Double_t kp2=10.632;
- const Double_t kp3=0.13279e-4;
- const Double_t kp4=1.8631;
- const Double_t kp5=1.9479;
-
- Double_t dbg = (Double_t) bg;
-
- Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
-
- Double_t aa = TMath::Power(beta,kp4);
- Double_t bb = TMath::Power(1./dbg,kp5);
-
- bb=TMath::Log(kp3+bb);
-
- return ((Float_t)((kp2-aa-bb)*kp1/aa));
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff